Answer: The Magdeburg hemispheres are a pair of large copper hemispheres, with mating rims. They were used to demonstrate the power of atmospheric pressure. When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses.
Explanation:
Rhizoids can be called roots of bryophytes.
Rhizoids<span> are simple hair-like protuberances that extend from the lower </span>epidermal cells<span> of </span><span>bryophytes.
</span>Rhizoids are long, thin cells that anchor bryophytes in the ground <span>and absorb water and minerals. </span>
The correct answer is by using the antagonist.
The antagonist is a molecule that blocks a biological response by binding to the receptor. So, you add antagonists to the receptors you want to determine and see which antagonist blocked the response. By blocking the specific response you can get the answer what receptor it was.
Answer:
It helps to support growth and helps producing energy to do vital functions.
Hope this helps!
It was used till the 1960s. Hope i helped.
